What will happen when you blow …
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Meghna Thapar 5 years, 5 months ago
If you use a straw to blow air into a glass of water, you can make bubbles. The bubbles tend to be small, and they disappear quickly. A drinking straw is used by creating a suction with your mouth. Actually this causes a decrease in air pressure on the inside of the straw. Since the atmospheric pressure is greater on the outside of the straw, liquid is forced into and up the straw. ... The vacuum itself is not what causes the sucking.
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